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Valitse kieli Suomi Välj språket Svenska Select language English Intensive year of supervision in Olkiluoto The year 2022 was a significant year for the Olkiluoto 3 plant unit (OL3). STUK supervised the plant through inspection visits, monitoring ...https://stuk.fi/en/intensive-year-of-supervision-in-olkiluoto
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Supervision of beauty care and solarium services The Radiation and Nuclear Safety Authority supervises the use of radiation in beauty care and solarium services, but the responsibility for the safety of the services is always solely on the service...https://stuk.fi/en/supervision-of-beauty-care-and-sunbed-services
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Valitse kieli Suomi Välj språket Svenska Select language English STUK’s supervision ensured the safety of radiation practices The use of radiation is a key part of modern healthcare and is also involved in many processes in heavy industry as well ...https://stuk.fi/en/stuk-s-supervision-ensured-the-safety-of-radiation-practices
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Valitse kieli Suomi Välj språket Svenska Select language English STUK’s supervision ensured the safety of nuclear power plants In 2023, the Radiation and Nuclear Safety Authority (STUK) supervised the safety of the nuclear power plants in operatio...https://stuk.fi/en/stuk-s-supervision-ensured-the-safety-of-nuclear-power-plants
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STUK supervises radiation practices The Radiation and Nuclear Safety Authority (STUK) supervises the safety of the use of ionising radiation and other radiation practices. The supervision consists of inspections of the radiation facility and other...https://stuk.fi/en/stuk-supervises-radiation-practices
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Valitse kieli Suomi Välj språket Svenska Select language English Use of radiation was supervised in industry, research and the health sector In 2022, we continued to develop various means of monitoring the radiation practices of industry, research...https://stuk.fi/en/use-of-radiation-was-supervised-in-industry-research-and-the-health-sector
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6.10.2025 | Fortum Power and Heat has completed this year’s annual outage of the Loviisa nuclear power plant. The Radiation and Nuclear Safety Authority supervised that the annual outage work was carried out safely and in accordance with provisionshttps://stuk.fi/en/-/stuk-supervised-annual-outage-of-loviisa-nuclear-power-plant
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Reporting on nuclear safety Valitse kieli Suomi Välj språket Svenska Select language English Inspections at the Olkiluoto nuclear power plant STUK carries out inspections to oversee the operation and use of the Olkiluoto nuclear power plant. The p...https://stuk.fi/en/inspections-at-the-olkiluoto-nuclear-power-plant
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Nuclear facility operations Regulatory oversight during the operation of the nuclear facility includes continuous safety assessments. By conducting supervision during operation, STUK aims to ensure that the nuclear facilities are and will remain i...https://stuk.fi/en/nuclear-facility-practices
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Valitse kieli Suomi Välj språket Svenska Select language English The use of nuclear energy carried out safely — the regulatory reform is progressing Based on STUK’s supervision, the use of nuclear energy did not pose a risk to the population, soci...https://stuk.fi/en/the-use-of-nuclear-energy-carried-out-safely-the-regulatory-reform-is-progressing
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Reporting on nuclear safety Valitse kieli Suomi Välj språket Svenska Select language English Oversight reports of spent nuclear fuel final disposal facility STUK carries out inspections of the spent fuel encapsulation and disposal facility in Olki...https://stuk.fi/en/oversight-reports-of-final-disposal-facility
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Valitse kieli Suomi Välj språket Svenska Select language English Director General’s review For the Radiation and Nuclear Safety Authority (STUK), 2024 was a year of significant development and change. In addition to basic radiation and nuclear saf...https://stuk.fi/en/director-general-s-review-2024
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Valitse kieli Suomi Välj språket Svenska Select language English Decommissioning of Finland’s first nuclear reactor started Dismantling work related to the decommissioning of VTT Technical Research Centre of Finland' s FiR 1 research reactor began...https://stuk.fi/en/decommissioning-of-finland-s-first-nuclear-reactor-started
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Research reactor in Otaniemi Finland's first nuclear reactor was commissioned in Otaniemi, Espoo, in 1962. The research reactor was decommissioned in 2015, and ten years later, the facility was released from STUK's regulatory oversight. The FiR 1 ...https://stuk.fi/en/research-reactor-in-otaniemi
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Renewal of the nuclear safety regulation STUK's nuclear safety regulation is revised. The aim of the renewal is to make the regulations and regulatory guides issued under the Nuclear Energy Act (990/1987) more goal-oriented and risk-conscious and ...https://stuk.fi/en/renewal-of-the-nuclear-safety-regulation
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Valitse kieli Suomi Välj språket Svenska Select language English Cooperation with the African Commission on Nuclear Energy launched In 2022, STUK and the African Commission on Nuclear Energy (AFCONE) started preparing an ambitious programme aimed ...https://stuk.fi/en/cooperation-with-the-african-commission-on-nuclear-energy-launched
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Valitse kieli Suomi Välj språket Svenska Select language English STUK’s Finances 2024 In 2024, STUK’s operating expenses were approximately EUR 41 million. Approximately 45% (EUR 18.5 million) of operational funding came from the Government’s budg...https://stuk.fi/en/stuk-s-finances-2024
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Radiation and Nuclear Safety Authority in 2022 Valitse kieli Suomi Välj språket Svenska Select language English Director General’s review The new office building in Vantaa meets STUK's special requirements Intensive year of supervision in Olkiluot...https://stuk.fi/en/year-2022-in-stuk
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organisation and management team The Radiation and Nuclear Safety Authority (STUK) is the authority responsible for supervising radiation and nuclear safety in Finland. STUK’s operations are based on the Act on the Radiation and Nuclear Safety Aut...https://stuk.fi/en/organisation-and-management-team
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Radiation and Nuclear safety Authority of Finland Radiation and Nuclear Safety Authority’s (STUK) key task is to supervise the use of radiation and nuclear energy in Finland. STUK oversees that all operators comply with the common rules. Our field...https://stuk.fi/en/get-to-know-stuk